/* Reset some default styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* General body styling */
body {
    font-family: Arial, sans-serif;
    background-color: #f4f7fa;
    color: #333;
    line-height: 1.6;
    padding: 20px;
}

/* Center the page content */
.container {
    width: 80%;
    max-width: 1000px;
    margin: 0 auto;
    padding-top: 50px;
}

/* Header styles */
header {
    text-align: center;
    margin-bottom: 30px;
}

header h1 {
    font-size: 2.5em;
    color: #4A90E2;
}

/* Form container */
.form-container {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 40px;
}

/* Form elements styling */
form {
    display: flex;
    flex-direction: column;
}

input[type="text"],
input[type="email"],
button {
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1em;
}

/* Input focus styling */
input[type="text"]:focus,
input[type="email"]:focus,
button:focus {
    outline: none;
    border-color: #4A90E2;
}

/* Button styling */
button {
    background-color: #4A90E2;
    color: #fff;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #357ABD;
}

/* Table for signed users */
table {
    width: 100%;
    margin-top: 20px;
    border-collapse: collapse;
}

table th,
table td {
    padding: 10px;
    border: 1px solid #ddd;
    text-align: left;
}

table th {
    background-color: #4A90E2;
    color: #fff;
}

table tbody tr:nth-child(even) {
    background-color: #f9f9f9;
}

table tbody tr:hover {
    background-color: #e0f7fa;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        width: 95%;
        padding-top: 30px;
    }

    header h1 {
        font-size: 2em;
    }

    .form-container {
        padding: 20px;
    }
}
